Editor's note: Welcome to "Barron's Roundup." Each weekend, Stockpickr presents portfolios related to articles in the latest issue of Barron's.

Global Growth Hunter

:

Barron's

talks with Robert Levitt, chief investment officer of Levitt Capital Management. Levitt searches the globe for growth stocks, and he's finding that the best ones are rarely in the U.S. anymore. Among the stocks in his portfolio are

BHP Billiton

(BHP) - Get Report

,

Sociedad Quimica y Minera de Chile

(SQM) - Get Report

and

Apple

(AAPL) - Get Report

.

Bullish and Bearish

: Each week,

Barron's

publishes bullish and bearish stories on a variety of stocks. We present summaries of those stories in this portfolio. This week, there are bullish stories on

eBay

(EBAY) - Get Report

and

Vivendi

(VIVDY.PK)

, plus a bearish piece on

Potash

(POT)

.

Latest Activist Purchases

: Which companies are the top hedge funds chasing? This week's list includes names like

JDA Software Group

( JDAS),

Hhgregg

(HGG)

and

Axsys Technologies

( AXYS).

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Top Insider Purchases of the Week

: Insider purchases are a lot more predictive than insider selling.

Barron's

lists companies where managers are buying shares, and we build a portfolio with those companies' stocks. There has been interesting activity in

Halliburton

(HAL) - Get Report

,

Regions Financial

(RF) - Get Report

,

Valence Technology

(VLNC)

and

Orexigen Therapeutics

(OREX)

.

Research Reports

: The latest analyst research highlighted by

Barron's

, including reports this week on

Yahoo!

(YHOO)

,

Ingersoll Rand

(IR) - Get Report

and

Signature Bank

(SBNY) - Get Report

.

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